Database Connecton Failed

Atmail could not communicate to the database resulting in an error. To continue please check the following:

• Database username and password are correct
• Hostname is authorized to connect to the database server
• The software has been installed correctly and the database schema created
• Validate your database connection details in the file config/dbconfig.ini

The error message returned from the server includes:

The PDO extension is required for this adapter but the extension is not loaded

Once the database connection details have been resolved, reload your browser to continue with the session.